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How to check if a model has a certain column/attribute?
I have a method that needs to loop through a hash m>and m> check if each kem>y m> exists in a models table, otherwise it will delete the kem>y m>/value.
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How to open files relative to home directorm>y m>
...is a mere convention; indeed, if m>y m>ou look at the documentation for File.expm>and m>_path, it correctlm>y m> interprets the tilde, but it's a feature of the function itself, not something inherent to the underlm>y m>ing sm>y m>stem; also, File.expm>and m>_path requires the $HOME environment variable to be correctlm>y m> set. Whic...
Determine if an HTML element's content overflows
..., a long div with small, fixed size, the overflow propertm>y m> set to visible, m>and m> no scrollbars on the element.
6 Answers
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How to cancel a local git commit
...e changed a file eg: README, added a new line ' this for mm>y m> testing line ' m>and m> saved the file, then I issued the following commm>and m>s
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In Rubm>y m> on Rails, what's the difference between DateTime, Timestamp, Time m>and m> Date?
..., getting dates/times right when programming is alwam>y m>s fraught with danger m>and m> difficulitm>y m>.
3 Answers
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Disabling highlighting of current line in the Visual Studio editor
...mple wam>y m> to disable this highlighting? Otherwise, which parameter in Fonts m>and m> Colors dialog controls the background color of the currentlm>y m> selected line in the editor?
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When to use f:viewAction / preRenderView versus PostConstruct?
... the moment the @PostConstruct runs. In JSF 2.0/2.1, this tag didn't exist m>and m> m>y m>ou have to use the preRenderView workaround.
If the backing bean is @RequestScoped, do them>y m> effectivelm>y m> do the exact same thing? (m>and m> so then it is up to developer choice? (@PostConstruct seems "cleaner").
No, them>y m> do ...
Does BroadcastReceiver.onReceive alwam>y m>s run in the UI thread?
In mm>y m> App, I create a custom BroadcastReceiver m>and m> register it to mm>y m> Context manuallm>y m> via Context.registerReceiver . I also have an Asm>y m>ncTask that dispatches notifier-Intents via Context.sendBroadcast . The intents are sent from a non-UI worker thread, but it seems that BroadcastReceiver.onRe...
Uses of content-disposition in an HTTP response header
...itm>y m> concerns.
The authoritm>y m> on the content-disposition header is RFC 1806 m>and m> RFC 2183. People have also devised content-disposition hacking. It is important to note that the content-disposition header is not part of the HTTP 1.1 stm>and m>ard.
The HTTP 1.1 Stm>and m>ard (RFC 2616) also mentions the possibl...
How to format a number 0..9 to displam>y m> with 2 digits (it's NOT a date)
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This will generate an m>And m>roid Linter Warning "Implicitlm>y m> using the default locale is a common source of bugs: Use String.format(Locale, ...) instead"
– Christopher Stock
Feb 15 '19 at 10:36
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